[Rails] Rendering an action (with layout) into a Javascript template

Hi everyone

I have an action:

def index
@settings = Setting.all(:order => 'name')

respond_to do |format|
format.html
format.js
end
end

and corresponding views:

index.html.erb:

<h1>Settings</h1>
...

index.js.erb

$("<%= escape_javascript(render XXX) %>").bigDialog();

So what's happening is that for HTML requests the HTML template will
be rendered (inside application.html.erb) and for Javascript requests
I want the HTML template to be rendered as a string into the
Javascript snippet so that jQuery can throw out a dialog. The catch is
that dialogs have a separate layout file, dialog.html.erb.

Is there a way to render a template with a layout into my Javascript
snippet where I've typed "render XXX"? I've looked at render_to_string
but that breaks MVC by taking view material into the controller.

Ideally, I'd like something like render(:action =>
'index.html.erb', :layout => 'dialog') (note index.html.erb to
distinguish it from index.js.erb) and have this rendered inline.

Ideas?

Thanks!
Tristan

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